Calflora, a 501c3 non-profit
Distribution by County   12597    
Juglans nigra  L.
Black walnut
Juglans nigra is a tree that is not native to California.
Record Count by County

Butte: 4 Orange: 5 San Diego: 11 Tehama: 1
Contra Costa: 1 Riverside: 11 Santa Clara: 6
Lake: 1 Sacramento: 1 Santa Cruz: 2
Los Angeles: 11 San Bernardino: 1 Siskiyou: 1

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).